Chino · Zoning · RD 4.5
Chino RD 4.5 zoning: height, setbacks and lot size
In Chino's RD 4.5 zone, generally buildings can be up to 35 feet (2-1/2 stories) tall, the front setback is 25 feet and the minimum lot size is 7,200 sq. ft., with the conditions listed below (Chino code, read October 2026).
Key points
- Maximum building height: 35 feet
- Maximum number of stories: 2-1/2 stories
- Minimum front setback: 25 feet (Add five feet along primary and secondary arterial streets.)
- Minimum rear setback: 10 feet (Add five feet along primary and secondary arterial streets; at least twenty feet there.)
- Minimum lot size: 7,200 sq. ft. (Applies only to creation of new lots)
- Maximum lot coverage: 60%
- Maximum floor area ratio (FAR): 0.50
- Maximum density: 4.5 du/acre
RD 4.5 is a zoning district in Chino. Every value below was read from the Chino Municipal Code and links to its section (read October 2026). State laws such as the ADU and SB 9 rules can allow more on a residential lot. General information, not legal advice — read the code text and check with the city before you build.
Development standards in RD 4.5
The general rule for a typical lot in this zone. Zoning tables often attach notes, such as rules for corner lots, lots next to a residential zone, or new subdivisions only. Open “code text” under a value to see the table cell or sentence it was read from.
| Maximum building height | 35 feet § 20.04.040 · code textTable row “Feet”, column “RD 4.5”: 35 feet |
|---|---|
| Maximum number of stories | 2-1/2 stories § 20.04.040 · code textTable row “Stories”, column “RD 4.5”: 2-1/2 |
| Minimum front setback | 25 feet Applies: Add five feet along primary and secondary arterial streets. § 20.04.040 · code textTable row “Front”, column “RD 4.5”: 25 feet |
| Minimum rear setback | 10 feet Applies: Add five feet along primary and secondary arterial streets; at least twenty feet there. § 20.04.040 · code textTable row “Rear”, column “RD 4.5”: 10 feet |
| Minimum lot size | 7,200 sq. ft. Applies: Applies only to creation of new lots § 20.04.040 · code textTable row “Lot Area, Minimum”, column “RD 4.5”: 7,200 sq. ft. |
| Maximum lot coverage | 60% § 20.04.040 · code textTable row “Lot Coverage, Maximum”, column “RD 4.5”: 60% |
| Maximum floor area ratio (FAR) | 0.50 § 20.04.040 · code textTable row “Floor Area Ratio, Maximum”, column “RD 4.5”: .50 |
| Maximum density | 4.5 du/acre § 20.04.040 · code textTable row “Density, Maximum”, column “RD 4.5”: 4.5 du/acre |
When a different number applies
The code sets other values for particular lots, buildings or locations in RD 4.5:
- Minimum front setback: 20 feet — Subdivisions of five or more lots, provided a twenty-five-foot average is maintained for all lots within the subdivision § 20.04.040
- Minimum front setback: 15 feet — Swing-in garage plan in a subdivision of five or more lots; excluded from average setback calculation § 20.04.040
Not on this page
We did not find a general side setback limit for RD 4.5 in the zoning tables we read. The code may still set one elsewhere — check the Chino Municipal Code.
Other Chino zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Chino's RD 4.5 zone?
35 feet — Chino Municipal Code § 20.04.040.
What is the maximum number of stories in Chino's RD 4.5 zone?
2-1/2 stories — Chino Municipal Code § 20.04.040.
What is the minimum front setback in Chino's RD 4.5 zone?
25 feet (add five feet along primary and secondary arterial streets) — Chino Municipal Code § 20.04.040.
What is the minimum rear setback in Chino's RD 4.5 zone?
10 feet (add five feet along primary and secondary arterial streets; at least twenty feet there) — Chino Municipal Code § 20.04.040.
What is the minimum lot size in Chino's RD 4.5 zone?
7,200 sq. ft. (applies only to creation of new lots) — Chino Municipal Code § 20.04.040.
General information, not legal advice.
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